<?php

/**
 * Copyright 2019 Huawei Technologies Co.,Ltd.
 * Licensed under the Apache License, Version 2.0 (the "License"); you may not use
 * this file except in compliance with the License.  You may obtain a copy of the
 * License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software distributed
 * under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
 * CONDITIONS OF ANY KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations under the License.
 *
 */

/**
 * This sample demonstrates how to delete objects under specified bucket
 * from OBS using the OBS SDK for PHP.
 */
if (file_exists('vendor/autoload.php')) {
    require 'vendor/autoload.php';
} else {
    require '../vendor/autoload.php'; // sample env
}

if (file_exists('obs-autoloader.php')) {
    require 'obs-autoloader.php';
} else {
    require '../obs-autoloader.php'; // sample env
}

use Obs\ObsClient;
use Obs\ObsException;

$ak = '*** Provide your Access Key ***';

$sk = '*** Provide your Secret Key ***';

$endpoint = 'https://your-endpoint:443';

$bucketName = 'my-obs-bucket-demo';


/*
 * Constructs a obs client instance with your account for accessing OBS
 */
$obsClient = ObsClient::factory([
    'key' => $ak,
    'secret' => $sk,
    'endpoint' => $endpoint,
    'socket_timeout' => 30,
    'connect_timeout' => 10
]);

try {
    /*
     * Create bucket
     */
    echo "Create a new bucket for demo\n\n";
    $obsClient->createBucket(['Bucket' => $bucketName]);

    /*
     * Batch put objects into the bucket
     */
    $content = 'Thank you for using Object Storage Service';
    $keyPrefix = 'MyObjectKey';
    $keys = [];

    $start = microtime(true);

// 	doUploadSync($keys, $keyPrefix, $content);

    doUploadAsync($keys, $keyPrefix, $content);

    printf("Cost " . round(microtime(true) - $start, 3) * 1000 . " ms to upload 100 objects\n\n");

    /*
     * Delete all objects uploaded recently under the bucket
     */

    printf("Deleting all objects\n\n");

    $resp = $obsClient->deleteObjects([
        'Bucket' => $bucketName,
        'Objects' => $keys,
        'Quiet' => false,
    ]);

    printf("Delete results:\n\n");
    $i = 0;
    foreach ($resp['Deleteds'] as $delete) {
        printf("\tDeleteds[$i][Key]:%s,Deleted[$i][VersionId]:%s，Deleted[$i][DeleteMarker]:%s，Deleted[$i][DeleteMarkerVersionId]:%s\n",
            $delete['Key'], $delete['VersionId'], $delete['DeleteMarker'], $delete['DeleteMarkerVersionId']);
        $i++;
    }
    printf("\n");
    printf("Error results:\n\n");
    $i = 0;
    foreach ($resp['Errors'] as $error) {
        printf("\tErrors[$i][Key]:%s,Errors[$i][VersionId]:%s，Errors[$i][Code]:%s，Errors[$i][Message]:%s\n",
            $error['Key'], $error['VersionId'], $error['Code'], $error['Message']);
        $i++;
    }

} catch (ObsException $e) {
    echo 'Response Code:' . $e->getStatusCode() . PHP_EOL;
    echo 'Error Message:' . $e->getExceptionMessage() . PHP_EOL;
    echo 'Error Code:' . $e->getExceptionCode() . PHP_EOL;
    echo 'Request ID:' . $e->getRequestId() . PHP_EOL;
    echo 'Exception Type:' . $e->getExceptionType() . PHP_EOL;
} finally {
    $obsClient->close();
}

function doUploadSync(&$keys, $keyPrefix, $content)
{
    global $obsClient;
    global $bucketName;
    for ($i = 0; $i < 100; $i++) {
        $key = $keyPrefix . strval($i);
        $obsClient->putObject(['Bucket' => $bucketName, 'Key' => $key, 'Body' => $content]);
        printf("Succeed to put object %s\n\n", $key);
        $keys[] = ['Key' => $key];
    }
}

function doUploadAsync(&$keys, $keyPrefix, $content)
{
    global $obsClient;
    global $bucketName;
    $promise = null;
    for ($i = 0; $i < 100; $i++) {
        $key = $keyPrefix . strval($i);
        $p = $obsClient->putObjectAsync(['Bucket' => $bucketName, 'Key' => $key, 'Body' => $content],
            function ($exception, $resp) use ($key) {
                printf("Succeed to put object %s\n\n", $key);
            });
        if ($promise === null) {
            $promise = $p;
        }
        $keys[] = ['Key' => $key];
    }
    $promise->wait();
}
